Finding the Fourth Proportional to 239,436,289.12, 358,789,111.44 and 124,458,175.84
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Solution
The fourth proportional to 239,436,289.12, 358,789,111.44 and 124,458,175.84 is: 186,497,370.49
Step by Step Solution
- Step 1: Write the proportion equation
239,436,289.12 : 358,789,111.44 = 124,458,175.84 : x - Step 2: Convert to fraction form
239,436,289.12/358,789,111.44 = 124,458,175.84/x - Step 3: Cross multiply
239,436,289.12x = 358,789,111.44 × 124,458,175.84 - Step 4: Simplify right side
239,436,289.12x = 44,654,238,321,076,880 - Step 5: Solve for x
x = 44,654,238,321,076,880/239,436,289.12 - Step 6: Final answer
x = 186,497,370.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.